15874120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20887}}^1$

素因数の和:20917

約数の個数: 32

約数和(自身を含む): 37598400

約数和(自身を除く): 21724280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20887, 41774, 83548, 104435, 167096, 208870, 396853, 417740, 793706, 835480, 1587412, 1984265, 3174824, 3968530, 7937060, 15874120]

約数ペア:

[(1, 15874120), (2, 7937060), (4, 3968530), (5, 3174824), (8, 1984265), (10, 1587412), (19, 835480), (20, 793706), (38, 417740), (40, 396853), (76, 208870), (95, 167096), (152, 104435), (190, 83548), (380, 41774), (760, 20887)]